MEE 203 CBT PRACTICE TEST

Ace/Undergragra February 9, 2024

0 230 1 minute read

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Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace MEE 203 exam

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

Do not be in a hurry to answer the questions

Do not waste time on a question you don’t know

Move as fast as possible and starting with questions that don’t have calculation first to save time

Always crosscheck

Don’t be in a hurry to submit, you are not in a competition

Don’t be scared. Getting an A is easy

Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

Please do well to use our comment box incase there’s a message you want to pass to us

70 – 100 A

60 – 69 B

50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

I wish you success

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Created on February 08, 2024 By

Ace/Undergragra

MEE 203

1 / 40

1. Centre of gravity of a thin hollow cone lies on the axis of symmmetry at a height of

A. one-third of the total height above base

B. one-fourth of the total height above base

C. None of the options

D. one-half of the total height above base

2 / 40

2. The units of moment of inertia of an area, are

A. kg-m2.

B. kg/m2

C. kg/m

D. m4

3 / 40

3. A smooth cylinder lying on its convex surface remains

A. in neutral equilibrium

B. in unstable equilibrium

C. in stable equilibrium

D. out of equilibrium

4 / 40

4. Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

A. the diagonal of the parallelogram which passes through the point of intersection of the forces"

B. the diagonal of the parallelogram which does not pass through the point of intersection of the forces"

C. its shorter side"

D. its longer side"

5 / 40

5. The Centre of gravity of a 10 x 15 x 5 cm T section from its bottom, is

A. 7.50 cm

B. 5.0 cm

C. 8.75 cm

D. 7.85 cm

6 / 40

6. The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

A. 0.1R

B. 0.3 R

C. 0.2 R

D. 0.6R

7 / 40

7. If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to

A. 7 kg

B. 5 kg

C. 117 kg

D. 1 kg

8 / 40

8. The resultant of two forces acting at right angles is A/34 kg and acting at 60? is 70 kg. The forces are

A. 3 kg and 5 kg

B. 1 kg and 4 kg

C. 3 kg and 1 kg

D. 2 kg and 3 kg

9 / 40

9. According to Law of Triangle of Forces

A. if the forces acting on a particle be represented in magnitude and direction by the two sides of a triangle taken in order, their resultant will be represented in magnitude and direction by the third side of the triangle, taken in opposite order.

B. three forces acting along the sides of a triangle are always in equilibrium

C. three forces acting at a point, can be represented by the sides of a triangle, each side being in proportion to the force

D. if three forces acting on a point can be represented in magnitude and direction, by the sides of a triangle taken in order, these will be in equilibrium

10 / 40

10. The Law of Polygon of Forces states that

A. if a polygen representing the forces acting at point in a body is closed, the forces are in equilibrium

B. if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side of the polygon taken in opposite order

C. if forces acting on a point can be epresented in magnitde and direction by the sides of a polygon taken in order, then the resultant of the forces will be represented in magnitude and direction by the closing side of the polygon

D. if forces acting on a point can be represented in magnitude and direction by the sides of a polygon in order, the forces are in equilibrium

11 / 40

11. If two equal forces of magnitude P act at an angle 0, their resultant, will be
.

A. P cos 0/2

B. 2P in 0/2

C. 2P cos 0/2

D. P tan 0/2

12 / 40

12. A retarding force on a body does not.

A. none of these.

B. change the motion of the body

C. retard the motion of the body

D. introduce the motion of the body

13 / 40

13. The forces which meet at one point and have their lines of action in different planes are called

A. coplaner non-concurrent forces

B. intersecting forces

C. non-coplaner non-current forces

D. non-coplaner concurrent forces

14 / 40

14. The resolved part of the resultant of two forces inclined at an angle 0 in a given direction is

A. algebraic sum of the resolveeparts of the forces in the direction

B. arithmetical sum of the resolved parts of the forces in the direction

C. difference of the forces multiplied by cosine 0?

D. sum of the forces multiplied by the sine 0

15 / 40

15. Effect of a force on a body depends upon its

A. position .

B. All the options

C. direction

D. magnitude

16 / 40

16. From a circular plate of a diameter 6 cm is cut out a circle whose diameter is equal to the radius of the plate. The C.G. of the remainder from the centre of circular plate is at a distance of

A. 0.5 cm.

B. 1 cm

C. 5 cm

D. 2.5cm

17 / 40

17. A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If r is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference will be

A. rqc_-. 0.25)

B. r(iT - 0.5)Tr -I- 0.25

C. rift+ 0.25J

D. r(rc + 0.25)

18 / 40

18. Lami's theroem states that

A. three forces acting at a point are always in equilibrium

B. three coplaner forces acting at a point will be in equilibrium if each force is inversely proportional to the sine of the angle between the other two

C. if three forces acting on a point can be represented in magnitude and direction by the sides of a triangle, the point will be in the state of equilibrium

D. three coplaner forces acting at a point will be in equilibrium, if each force is proportional to the sine of the angle between the other two

19 / 40

19. The angle of friction is :

A. The angle between the normal reaction and the resultant of normal raction and limiting friction

B. The force of friction when the body is in motion

C. The force of friction at which the body is just about to move.

D. The ratio of the friction and the normal reaction

20 / 40

20. The following is not a law of static friction :

A. The force of friction depends upon the roughness of the surface

B. The force of friction is dependent upon the area of contact

C. The force of friction always acts in a direction opposite to that in which the body tends to move

D. The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces.

21 / 40

21. The centre of gravity of a homogenous body is the point at which the whole

A. weight of the body is assumed to be concentrated

B. area of the surface of the body is assumed to be concentrated

C. volume of the body is assumed to be concentrated

D. All the options

22 / 40

22. Pick up the incorrect statement from the following :

A. The C.G. of a semicircle is at a distance of r/2 from the centre

B. The C.G. of a circle is at its centre

C. The C.G. of a rectangle is at the intersection of its diagonals

D. The C.G. of a triangle is at the intersecton of its medians

23 / 40

23. The force acting on a point on the surface of a rigid body may be considered to act.

A. at any point on the surface normal to the line of action of the force.

B. at the centre of gravity of the body

C. on any point on the line of action of the force

D. on the periphery of the body

24 / 40

24. The resultant of two forces P and Q acting at an angle 0, is

A. P2+ Q2 + 2PQ cos 0

B. P2 + Q2 + 2PQ tan 0

C. P2 + Q2 + 2PQ cos 0

D. P2 + Q2 + 2P sin 0

25 / 40

25. If a spherical body is symmetrical about its perpendicular axes, the moment of inertia of the body about an axis passing through its centre of gravity as given by Routh's rule is obtained by dividing the product of the mass and the sum of the squares of two semi-axes by n where n is

A. 4

B. 5

C. 2

D. 3

26 / 40

26. If two forces each equal to T in magnitude act at right angles, their effect may be neutralised by a third force acting along their bisector in opposite direction whose magnitude will be

A. 2T

B. 3T

C. 1/2 T

D. 1T

27 / 40

27. A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60? with horizontal, is

A. 100 kg.

B. 40 kg

C. 10 kg

D. 60 kg

28 / 40

28. Varigon's theorem of moments states

A. arithmetical sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point

B. algebraic sum of the moments of the forces about any point in their plane, is equal to the moment of their resulant about that point.

C. algebraic sum of the moments of two forces about any point, is equal to the moment of their resultant about that point

D. arithmetical sum of the moments of two forces about any point, is equal to the moments of their resultant about that point

29 / 40

29. If two forces.P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is

A. P ? Q

B. Q1P

C. P + Q

D. PIQ

30 / 40

30. The centre of gravity of a plane lamina will not be at its geometrical centre if it is a

A. rectangle

B. circle

C. right angled triangle.

D. equilateral triangle

31 / 40

31. The C.G. of a right circular cone lies on its axis of symmetry at a height of
A.
B.
C.
D.

A. h/3

B. hI4

C. h/2

D. hI5

32 / 40

32. A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

A. floor and wall both are rough surfaces,

B. floor is smooth and the wall is rough

C. floor and wall both are smooth surfaces

D. floor is rough and the wall is smooth

33 / 40

33. If a body is acted upon by a number of coplaner non-concurrent forces, it may

A. move in any one direction

B. move in any one direction rotating about itself

C. rotate about itself without moving

D. All the options

34 / 40

34. If the resultant of two forces P and Q acting at an angle 0 makes an angle a with P, then tan a equals P sin 0 Q sin 0

A. Q sin 0

B. P - Q cos 0

C. P + Q cos 0 P sin 0

D. P + Q tan 0 Q+Psin

35 / 40

35. The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is

A. 237.5 cm4

B. 437.5 cm4

C. 337.5 cm4

D. 137.5 cm4

36 / 40

36. The maximum frictional force which comes into play, when a body just begins to slide over the surface of a an other body, is known

A. limiting friction

B. Sliding friction

C. None of the options

D. rolling friction

37 / 40

37. A number of forces acting simultaneously on a particle of a body

A. may be replaced by a couple

B. may not be replaced by a single force

C. may be replaced by a single force through C.G. of the body

D. may be replaced by a single force

38 / 40

38. Moment of interia of a squares of side b about an axis through its centre of gravity, is

A. 211

B. 202

C. 101

D. 112

39 / 40

39. The necessary condition of equilibrium of a body, is :

A. algebraic sum of vertical components of all the forces must be zero

B. All the options

C. algebraic sum of the moments of the forces about a point must be zero

D. algebraic sum of horizontal components of all the forces must be zero

40 / 40

40. A point subjected to a number of forces will be in equilibrium, if

A. two resolved parts in any two directions at right angles are equal

B. algebraic sum of the forces is zero

C. sum of resolved parts in any two directions at right angles, are both zero

D. algebraic sum of the moments of the forces about the point is zero

Your score is

The average score is 23%

Please do well to drop a comment if this has really helped you. Thanks❤️

Ace/Undergragra February 9, 2024

0 230 1 minute read

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